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Latest Great Lakes Marine Forecast by KBUF
Issued 7/27/2026 10:03 AM America/New_York.
Valid through 7/27/2026 5:00 PM America/New_York.
fzus61 kbuf 271403
glflo
expires:202607272100;;695204
open lake forecast for lake ontario
national weather service buffalo ny
1003 am edt mon jul 27 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a 29.6 inch low over the western great lakes this
morning will strengthen to 29.3 inches while moving southeast into
the lower great lakes tonight and tuesday. a cold front associated
with this low will swing across the lake late tuesday and tuesday
night. the low will then weaken to 29.6 inches while drifting east
into new england by wednesday, before entering the northern atlantic
thursday and friday. meanwhile a 30.0 inch high will slide across
the great lakes thursday and friday.
loz062-272100-
lake ontario open waters from the niagara river to hamlin beach-
1003 am edt mon jul 27 2026
.this afternoon...west winds 10 knots or less becoming southeast.
waves 1 foot or less.
.tonight...southeast winds 5 to 10 knots becoming south. a chance
of showers and thunderstorms early, then showers with a chance of
thunderstorms from late evening on. waves 1 foot or less.
.tuesday...southeast winds 10 to 15 knots becoming northeast.
showers with a chance of thunderstorms. waves 1 to 3 feet.
.tuesday night...north winds 15 to 25 knots. showers with a
chance of thunderstorms in the evening, then showers overnight.
waves 2 to 4 feet building to 3 to 5 feet.
.wednesday...north winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely. waves 3 to 5 feet subsiding to 2 to
3 feet.
.thursday...north winds 5 to 15 knots becoming northwest. waves
1 to 3 feet subsiding to 1 foot or less.
.friday...west winds 10 knots or less becoming southwest. waves
1 foot or less.
winds and waves higher in and near thunderstorms.
$$
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Latest Great Lakes Marine Forecast by KDTX
Issued 7/27/2026 9:51 AM America/New_York.
Valid through 7/27/2026 6:00 PM America/New_York.
fzus63 kdtx 271351
glflh
expires:202607272200;;694723
open lake forecast for lake huron
national weather service detroit/pontiac mi
951 am edt mon jul 27 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...light and variable winds through monday give way to
stronger northerly winds for tuesday, gusting 25 to 30 knots
south half. potential for strong to severe thunderstorms, mainly
monday afternoon and evening along and ahead of a cold front.
lhz362-363-272200-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
951 am edt mon jul 27 2026
.rest of today...southeast winds 5 to 10 knots backing to the
east late in the afternoon. a chance of showers and thunderstorms
in the afternoon. waves 2 feet or less.
.tonight...east winds 5 to 10 knots backing to the north in the
late evening and overnight. a chance of showers and thunderstorms
in the evening...then scattered showers after midnight. waves
2 feet or less.
.tuesday...north winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and early afternoon...then
decreasing to 10 to 15 knots early in the afternoon. scattered
showers in the morning. waves 3 to 5 feet.
.tuesday night...north winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. waves 3 to 5 feet.
.wednesday...north winds 15 to 20 knots becoming northwest 5 to
10 knots. waves 3 to 5 feet subsiding to 2 to 4 feet late in the
evening.
.thursday...north winds 5 to 10 knots early in the morning
becoming light and variable. waves 2 feet or less.
.friday...light and variable winds becoming southeast 5 to
10 knots early in the evening...then becoming light and variable
by midnight. a chance of showers by midnight. waves 2 feet or
less.
$$
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Latest Great Lakes Marine Forecast by KDTX
Issued 7/27/2026 9:51 AM America/New_York.
Valid through 7/27/2026 6:00 PM America/New_York.
fzus63 kdtx 271351
glflh
expires:202607272200;;694724
open lake forecast for lake huron
national weather service detroit/pontiac mi
951 am edt mon jul 27 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...light and variable winds through monday give way to
stronger northerly winds for tuesday, gusting 25 to 30 knots
south half. potential for strong to severe thunderstorms, mainly
monday afternoon and evening along and ahead of a cold front.
lhz462>464-272200-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
951 am edt mon jul 27 2026
.rest of today...light and variable winds becoming south 5 to
10 knots in the afternoon. a chance of thunderstorms in the
afternoon. waves 2 feet or less.
.tonight...south winds 5 to 10 knots. numerous thunderstorms and
a chance of showers in the evening...then numerous showers and
scattered thunderstorms after midnight. waves 2 feet or less.
.tuesday...north winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. scattered showers in
the morning. waves 3 to 5 feet building to 5 to 7 feet early in
the afternoon. waves occasionally around 10 feet.
.tuesday night...north winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots after midnight. waves 5 to
7 feet. waves occasionally around 10 feet.
.wednesday...north winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. waves 5 to 7 feet. waves
occasionally around 10 feet.
.thursday...north winds 5 to 10 knots becoming light and
variable. waves 1 to 3 feet.
.friday...light and variable winds becoming south 5 to 10 knots .
a chance of showers by midnight. waves 2 feet or less.
$$
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